The fossil was found in a thin silty clay band in the lowest part of the geological succession exposed in the group of now disused quarries north Kirton Lindsey in North Lincolnshire.
It was extracted during a Hull Geological Society field trip to Manton Quarry (SE 938 027), which was led by the author in 2014. Despite several more visits to the same section, no other specimens have yet been found.
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